What is the nature and description of the request?

As the feature exists right now, it does not offer any useful role outside of the Platform auditor role:

As it does not list the possible roles configured in the platform by default, or customized:

Why does the customer need this? (List the business requirements here)

RBAC compliance

How would you like to achieve this? (List the functional requirements here)

A possible approach might be to follow the structure that is already present and offer a more realistic role mapping option:

Additionally, the Platform Auditor priviledge would have to be moved to a dedicated selector like for the Superuser or integrated as option there as a both of the advanced global priviledges are a setting of the user creation itself as "User types":